<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <!-- 
         col-超小屏
         col-sm  小屏幕
         col-md  中屏幕
         col-lg   大屏幕
         col-xl   超大屏幕
     -->
</head>

<body>
    <div class="container">
        <div class="center-container">
            <div class="row">
                <div class="col-1">1</div>
                <div class="col-1">2</div>
                <div class="col-1">3</div>
                <div class="col-1">4</div>
                <div class="col-1">5</div>
            </div>

        </div>
    </div>
</body>

</html>